diff -r 35b75ffcbb37 -r ba51a0cd311d app/soc/views/helper/access.py
--- a/app/soc/views/helper/access.py	Fri Feb 13 23:18:39 2009 +0000
+++ b/app/soc/views/helper/access.py	Sat Feb 14 14:10:56 2009 +0000
@@ -967,6 +967,9 @@
       if self.hasMembership(value, django_args):
         roles.append(key)
 
+    if not roles:
+      roles = ['deny']
+
     get_args.setlist('read_access', roles)
     get_args._mutable = mutable